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Question: What is the primary mode of heat transfer in a vacuum?Options: ConductionConvectionRadiati..
Question: What is the relationship between temperature and kinetic energy of particles in a substanc..
Question: In which of the following processes does the temperature of the system remain constant?Opt..
Question: What is the latent heat of fusion?Options: Heat required to change a solid to a liquidHeat..
Question: Which law states that the total energy of an isolated system remains constant?Options: Fir..
Question: What happens to the temperature of a gas when it expands adiabatically?Options: It increas..
Question: Which of the following processes involves a change in temperature?Options: Isothermal proc..
Question: If 100 g of water at 0°C is mixed with 100 g of water at 100°C, what will be the final tem..
Question: Which of the following statements is true about thermal equilibrium?Options: Heat flows fr..
Question: What is the SI unit of temperature?Options: CelsiusFahrenheitKelvinRankineCorrect Answer: ..
Question: In an isochoric process, what happens to the internal energy of an ideal gas when heat is ..
Question: Which of the following statements is true regarding the first law of thermodynamics?Option..
Question: In a cyclic process, what is the net change in internal energy?Options: PositiveNegativeZe..
Question: If a system absorbs 100 J of heat and does 40 J of work, what is the change in internal en..
Question: What is the work done by a gas during an isobaric expansion?Options: ZeroPΔVΔUQCorrect Ans..
Question: In an isothermal process for an ideal gas, which of the following is true?Options: The int..
Question: If 500 J of heat is added to a system and 200 J of work is done by the system, what is the..
Question: What does the first law of thermodynamics state?Options: Energy can be created and destroy..
Question: During an isochoric process, the volume of the system:Options: IncreasesDecreasesRemains c..
Question: What is the specific heat capacity of a substance?Options: The amount of heat required to ..
Question: In a heat engine, the work done is equal to:Options: Heat absorbed from the hot reservoirH..
Question: Which of the following statements is true for an ideal gas?Options: The internal energy de..
Question: What happens to the entropy of an isolated system?Options: It decreasesIt remains constant..
Question: What is the efficiency of a Carnot engine operating between temperatures T1 and T2?Options..
Question: Which of the following processes is an example of an adiabatic process?Options: Heating wa..
Question: In an isothermal process, the temperature of the system:Options: IncreasesDecreasesRemains..
Question: What is the first law of thermodynamics?Options: Energy cannot be created or destroyedEntr..
Question: If the lever arm is doubled while keeping the force constant, how does the torque change?O..
Question: What is the unit of torque in the SI system?Options: NewtonJouleNewton-meterPascalCorrect ..
Question: A force of 50 N is applied at an angle of 30 degrees to the lever arm of length 1 m. What ..
